3. कॉलायडी कणों का आकार से.मी. में कितना होता है-अ. 10-5x10-7 ब. 10-7x10-9 स. 10-8x10-10 द.द. 10-1x10-5
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Answer:
don't know what to can coul com
Explanation:
mean to be in the water formal
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